package com.om.calculator;

public class RpnCalculator {
    OperandStack values = new OperandStack();

    public void execute(String operatorName) {
        OperatorFactory factory = new OperatorFactory();
        Operator operator = factory.retrieveOperatorNamed(operatorName);
        operator.execute(operatorName)xecute(values);
    }

    public void enter(int value) {
        values.push(value);
    }

    public int top() {
        return values.top();
    }
}